

package Programas;
//introduces una letra en minuscula y la transforma a mayuscula
import java.util.Scanner;

public class charAt {
     public static void main(String[] args) {

         Scanner sc= new Scanner(System.in);

         System.out.println("Introduce una cadena");
        String cad= sc.next();

       for(int x=0; x<cad.length(); x++){
           Character c=cad.charAt(x);
           if(c.isDigit(c)){

               System.out.println("B");
                } else{
               System.out.println(c.toUpperCase(c));

           }




       }


     }

}
